diff mbox series

[net,v3,1/3] net: dsa: rzn1-a5psw: enable management frames for CPU port

Message ID 20230512072712.82694-2-alexis.lothore@bootlin.com (mailing list archive)
State Mainlined
Commit 9e4b45f20c5aac786c728619e5ee746bffce1798
Delegated to: Geert Uytterhoeven
Headers show
Series net: dsa: rzn1-a5psw: fix STP states handling | expand

Commit Message

Alexis Lothoré (eBPF Foundation) May 12, 2023, 7:27 a.m. UTC 
From: Clément Léger <clement.leger@bootlin.com>

Currently, management frame were discarded before reaching the CPU port due
to a misconfiguration of the MGMT_CONFIG register. Enable them by setting
the correct value in this register in order to correctly receive management
frame and handle STP.

Fixes: 888cdb892b61 ("net: dsa: rzn1-a5psw: add Renesas RZ/N1 advanced 5 port switch driver")
Signed-off-by: Clément Léger <clement.leger@bootlin.com>
Signed-off-by: Alexis Lothoré <alexis.lothore@bootlin.com>
---
Changes since v2:
- move A5PSW_MGMT_CFG_ENABLE definition in this commit
---
 drivers/net/dsa/rzn1_a5psw.c | 2 +-
 drivers/net/dsa/rzn1_a5psw.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

Comments

Piotr Raczynski May 12, 2023, 2:20 p.m. UTC | #1 
On Fri, May 12, 2023 at 09:27:10AM +0200, alexis.lothore@bootlin.com wrote:
> From: Clément Léger <clement.leger@bootlin.com>
> 
> Currently, management frame were discarded before reaching the CPU port due
> to a misconfiguration of the MGMT_CONFIG register. Enable them by setting
> the correct value in this register in order to correctly receive management
> frame and handle STP.
> 
> Fixes: 888cdb892b61 ("net: dsa: rzn1-a5psw: add Renesas RZ/N1 advanced 5 port switch driver")
> Signed-off-by: Clément Léger <clement.leger@bootlin.com>
> Signed-off-by: Alexis Lothoré <alexis.lothore@bootlin.com>
> ---
> Changes since v2:
> - move A5PSW_MGMT_CFG_ENABLE definition in this commit
> ---
Looks OK, thanks.
Reviewed-by: Piotr Raczynski <piotr.raczynski@intel.com>
diff mbox series

Patch

diff --git a/drivers/net/dsa/rzn1_a5psw.c b/drivers/net/dsa/rzn1_a5psw.c
index 919027cf2012..8a419e2ffe2a 100644
--- a/drivers/net/dsa/rzn1_a5psw.c
+++ b/drivers/net/dsa/rzn1_a5psw.c
@@ -673,7 +673,7 @@  static int a5psw_setup(struct dsa_switch *ds)
 	}
 
 	/* Configure management port */
-	reg = A5PSW_CPU_PORT | A5PSW_MGMT_CFG_DISCARD;
+	reg = A5PSW_CPU_PORT | A5PSW_MGMT_CFG_ENABLE;
 	a5psw_reg_writel(a5psw, A5PSW_MGMT_CFG, reg);
 
 	/* Set pattern 0 to forward all frame to mgmt port */
diff --git a/drivers/net/dsa/rzn1_a5psw.h b/drivers/net/dsa/rzn1_a5psw.h
index c67abd49c013..b4fbf453ff74 100644
--- a/drivers/net/dsa/rzn1_a5psw.h
+++ b/drivers/net/dsa/rzn1_a5psw.h
@@ -36,7 +36,7 @@ 
 #define A5PSW_INPUT_LEARN_BLOCK(p)	BIT(p)
 
 #define A5PSW_MGMT_CFG			0x20
-#define A5PSW_MGMT_CFG_DISCARD		BIT(7)
+#define A5PSW_MGMT_CFG_ENABLE		BIT(6)
 
 #define A5PSW_MODE_CFG			0x24
 #define A5PSW_MODE_STATS_RESET		BIT(31)